CN109866644B - Charging management method, computer device, and storage medium - Google Patents
Charging management method, computer device, and storage medium Download PDFInfo
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- CN109866644B CN109866644B CN201910132915.0A CN201910132915A CN109866644B CN 109866644 B CN109866644 B CN 109866644B CN 201910132915 A CN201910132915 A CN 201910132915A CN 109866644 B CN109866644 B CN 109866644B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/12—Electric charging stations
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Abstract
The invention provides a charging management method, which comprises the steps of obtaining a charging request of charging equipment; calculating available charging power; determining whether a sum of maximum charging currents of the charging devices exceeds an available charging power; if the available charging power is not exceeded, responding to charging requests of all the charging devices; and responding to a charging request of part of the charging equipment if the available charging power is exceeded. The charging management method can judge whether the charging requests of all the charging devices can be met according to the community available power condition, and preferentially meet the charging requests of part of the charging devices under the condition that the community available power is insufficient, so that the charging management is intelligent, and the community power utilization safety is ensured. In addition, a computer device and a storable medium for executing the charging management method are also provided.
Description
Technical Field
The invention relates to the field of intelligent charging, in particular to a charging management method for controlling charging of charging equipment according to the available charging power condition of a community, computer equipment and a storage medium.
Background
With the continuous improvement of the scientific and technological level and the living standard of people, more and more people start to buy the car to promote the convenience of life, improve the quality of life. However, as the capacity of the current automobiles is continuously increased, the emission of automobile exhaust has great influence on the ecological environment. In order to improve the increasingly worsened ecological environment, the electric automobile operates, the electric automobile provides energy to drive the vehicle to run through electric power, automobile exhaust cannot be generated in the running process, and the electric automobile has great effects of reducing the automobile exhaust and improving the environmental pollution.
At present, charging equipment is basically installed in a community to charge vehicles of users, but each charging equipment is controlled by an owner, each charging equipment operates according to a respective charging mode, the charging mode is started as long as a charging requirement exists, and the problems that how many charging equipment need to enter the charging mode at the same time, the load of a power grid is large, the power grid cannot be damaged when the charging equipment is electrified at the same time and the like cannot be considered, are very critical, and need to be avoided in practical application. Therefore, how to realize the power-on control and safe charging of the community charging equipment becomes an important topic for the construction of the intelligent community.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a charging management method which can respond to a charging request of charging equipment according to the condition of available charging power of a community and prevent the power failure or damage of a community power grid caused by overlarge charging current.
In order to achieve the purpose, the invention adopts the following technical scheme:
acquiring a charging request of charging equipment;
calculating available charging power;
determining whether a sum of maximum charging currents of the charging devices exceeds an available charging power;
if the available charging power is not exceeded, responding to charging requests of all the charging devices;
and responding to a charging request of part of the charging equipment if the available charging power is exceeded.
In a second aspect, the present invention provides a computer device comprising a memory for storing a computer program and a processor for executing the computer program to make the computer device execute the charging management method according to the first aspect of the present invention.
In a third aspect, the present invention provides a computer-readable storage medium storing a computer program for use in the computer apparatus of the second aspect of the present invention.
The invention has the beneficial effects that:
the charging management method provided by the invention can judge whether the available charging power of the community can meet the maximum charging current of the charging equipment according to the maximum charging current of the charging equipment, further form a charging sequence for the charging equipment according to preset conditions when the available charging power of the community cannot meet the maximum charging current of the charging equipment, and select part of the charging equipment which is ranked in the charging sequence and is positioned at the front for charging, thereby ensuring the power safety of the community, meeting the charging requirements of users and realizing the intellectualization of charging management.
Drawings
To more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, and it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope of the present invention.
Fig. 1 is a flowchart illustrating a charging management method according to a preferred embodiment of the invention.
Fig. 2 is a flow chart illustrating sub-steps of a step of responding to a charging request of a part of the charging device according to the present invention.
Detailed Description
Various embodiments of the present invention will be described more fully hereinafter. The invention is capable of various embodiments and of modifications and variations therein. However, it should be understood that: there is no intention to limit various embodiments of the invention to the specific embodiments disclosed herein, but on the contrary, the intention is to cover all modifications, equivalents, and/or alternatives falling within the spirit and scope of various embodiments of the invention.
Hereinafter, the terms "includes" or "may include" used in various embodiments of the present invention indicate the presence of the disclosed functions, operations, or elements, and do not limit the addition of one or more functions, operations, or elements. Furthermore, as used in various embodiments of the present invention, the terms "comprises," "comprising," "includes," "including," "has," "having" and their derivatives are intended to mean that the specified features, numbers, steps, operations, elements, components, or combinations of the foregoing, are only meant to indicate that a particular feature, number, step, operation, element, component, or combination of the foregoing, and should not be construed as first excluding the existence of, or adding to the possibility of, one or more other features, numbers, steps, operations, elements, components, or combinations of the foregoing.
In various embodiments of the invention, the expression "a or/and B" includes any or all combinations of the words listed simultaneously, e.g., may include a, may include B, or may include both a and B.
Expressions (such as "first", "second", and the like) used in various embodiments of the present invention may modify various constituent elements in various embodiments, but may not limit the respective constituent elements. For example, the above description does not limit the order and/or importance of the elements described. The foregoing description is for the purpose of distinguishing one element from another. For example, the first user device and the second user device indicate different user devices, although both are user devices. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of various embodiments of the present invention.
It should be noted that: in the present invention, unless otherwise explicitly stated or defined, the terms "mounted," "connected," "fixed," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; there may be communication between the interiors of the two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, it should be understood by those skilled in the art that the terms indicating an orientation or a positional relationship herein are based on the orientations and the positional relationships shown in the drawings and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or the element referred to must have a specific orientation, be constructed in a specific orientation and operate, and thus, should not be construed as limiting the present invention.
The terminology used in the various embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the various embodiments of the invention. Unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which various embodiments of the present invention belong. The terms (such as those defined in commonly used dictionaries) should be interpreted as having a meaning that is consistent with their contextual meaning in the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein in various embodiments of the present invention.
Referring to fig. 1, fig. 1 is a schematic flow chart of a charging management method according to a preferred embodiment of the invention, the charging management method includes the following steps:
in step S110, a charging request of the charging device is acquired.
Specifically, for the convenience of user's charging, correspond in the parking area of community and set up battery charging outfit on the parking stall to can charge when the user parks. In addition, in the embodiment, in order to collect charging data and ensure charging safety, a current monitoring device is arranged in the charging equipment and used for monitoring the current in the charging equipment. It can be understood that charging equipment is changed into the charged state by the off-state suddenly when starting charging, and in the twinkling of an eye at charging equipment switch-on, because there is the inductance in the electric wire netting, will produce surge voltage in the electric wire netting to produce surge current, surge current is far greater than the electric current of charging equipment normal work, the biggest charging current promptly, consequently need monitor charging equipment's the biggest charging current is in order to judge whether community's electric power can satisfy charging equipment biggest charging current, thereby prevents the electric power safety problem.
It is understood that the charging device may test the maximum charging current of the charging device before being put into use or record the maximum charging current at the time of starting the charging device, thereby obtaining the maximum charging current of different charging devices.
In this embodiment, the charging devices are all connected to the charging cloud platform to upload information to the charging cloud platform and receive control instructions of the charging cloud platform. When the charging equipment starts charging, a charging request needs to be sent to the charging cloud platform, and the charging cloud platform judges whether to allow the charging request according to the current power condition, so that whether to start the charging equipment for charging is determined.
In this embodiment, the charging request includes information such as the number of the charging device, the charging initiation time, the charging priority, and the maximum charging current. For example: the charging request can be A02 charging equipment, the charging initiation time is 14:02:10, the charging priority is ultra-fast charging, and the maximum charging current is 40A.
In this embodiment, the charge initiation time is accurate to seconds. The charging priority is divided into different priorities according to the charging modes, that is, a user can select different charging modes such as ultra-fast charging, slow charging and the like when initiating a charging request on the charging equipment, the different charging modes are distinguished according to the speed of the charging rate, if the user selects the charging mode with the faster charging rate, the higher the priority of the charging equipment is, correspondingly, the charging rate is higher.
In step S120, the available charging power is calculated.
Specifically, in this embodiment, the charging device is disposed in a community and shares a power transmission line with the electric devices of the community residents, so that the total community power is equal to the power of the electric devices of the community residents and the charging power of the charging device. Moreover, since the total power of each community is planned and determined in advance at the time of community construction, that is, is relatively fixed, when the power of the electric equipment of the community household is increased, the available power of the charging equipment is decreased, and therefore the available power of the community charging equipment is changed along with the change of the power of the community electric equipment. It can be understood that after the charging device initiates a charging request to the charging cloud platform, the charging cloud platform needs to query the power condition of the electric devices of the community residents when the charging request is received, so as to calculate the available charging power of the community, and further judge whether the charging request of the charging device can be met according to the available charging power of the community. Further, the charging cloud platform calculates available charging power once at intervals of preset time, and determines whether a charging request of the charging device can be met after calculating the available charging power. The preset time is 1 minute.
The electric power of the community electric equipment can be obtained through inquiry of an electric energy meter arranged in the community, the electric energy meter is connected to the charging cloud platform, so that the electric power of the community electric equipment is uploaded to the charging cloud platform, and the charging cloud platform calculates the available charging electric power according to the used electric power of the community electric equipment.
In step S130, it is determined whether the sum of the maximum currents of the charging devices exceeds the available charging power.
Specifically, after the charging cloud platform calculates available charging power, it calculates whether the current available charging power can meet the charging request of the charging device according to the sum of maximum charging currents in the charging request uploaded by the charging device. It can be understood that, since the charging cloud platform calculates the available charging power once every preset time, the charging cloud platform only determines whether the charging device that initiates the charging request within the preset time can be satisfied at each time. For example, if the preset time is 1 minute, the charging cloud platform determines whether the current available power can meet the charging device that sends the charging request within 1 minute.
Further, if the maximum charging current of the charging device received by the charging cloud platform does not exceed the available charging power, it indicates that the current available charging power can meet the charging requirement of the charging device, then step S140 is executed; if the maximum charging current of the charging device received by the charging cloud platform exceeds the available charging power, it indicates that the current available charging power cannot meet the charging requirements of all charging devices that issue charging requests, then step S150 is executed.
In step S140, charging requests of all the charging devices are responded.
Specifically, if the sum of the maximum charging currents of the charging devices received by the charging cloud platform does not exceed the currently available charging power, then the charging devices start charging at the same time, which does not exceed the total power of the community, and the electricity consumption of residents is not affected, so that the charging cloud platform can respond to the charging requests of all the charging devices, that is, start all the charging devices which send out charging requests within a preset time.
In step S150, a charging request of a part of the charging devices is responded.
Specifically, if the maximum charging current of the charging device received by the charging cloud platform exceeds the current available charging power, the charging device is started simultaneously and charges the charging device, and the charging device exceeds the total power of the community, so that a great influence is generated on a community power grid, and safety accidents such as tripping or burning out power cables may be caused. Therefore, the current community available power can only meet the charging needs of the partial charging devices, i.e., respond to the charging requests of the partial charging devices.
Further, referring to fig. 2, in the present embodiment, the step S150 includes the following sub-steps:
in sub-step S151, the charging device is formed into a charging sequence according to preset conditions.
Specifically, in the present embodiment, the preset condition includes any one of a maximum charging current, a time when a charging request is initiated, and a priority of the charging device.
It can be understood that, in one embodiment, if the preset condition is a maximum charging current, the charging cloud platform extracts the maximum charging current of the charging device after receiving a charging request of the charging device, and forms a charging sequence for the charging device according to an ascending order of the maximum charging current from small to large. That is, the charging device with the smaller maximum charging current is ranked earlier in the charging sequence, and the charging device with the larger maximum charging current is ranked later in the charging sequence. For example: the maximum charging current of the A01 charging device is 7A, the maximum charging current of the B02 charging device is 5A, the maximum charging current of the C05 charging device is 12A, and the maximum charging current of the D11 charging device is 11A, so that when the preset condition is the maximum charging current, the charging sequences are B02, A01, D11 and C05.
It can be understood that, in another embodiment, the preset condition is a time for initiating a charging request, and after receiving the charging request of the charging device, the charging cloud platform extracts the charging initiation time in the charging request, and forms a charging sequence for the charging device according to an ascending order of charging time from first to last. That is, the charging device initiating the charging request earlier is ranked earlier in the charging sequence, and the charging device initiating the charging request later is ranked later in the charging sequence. For example: the time when the charging request is initiated by the A01 charging device is 8:41:05, the time when the charging request is initiated by the B02 charging device is 8:41:02, the time when the charging request is initiated by the C05 charging device is 8:41:31, and the time when the charging request is initiated by the D11 charging device is 8:41:21, when the preset condition is the time when the charging request is initiated, the charging sequences are B02, A01, D11 and C02.
It can be understood that, in another embodiment, the preset condition is the priority of the charging device initiating the charging request, and the charging cloud platform extracts the charging priority of the charging device in the charging request after receiving the charging request of the charging device, and forms a charging sequence for the charging device according to a descending order of the charging priority of the charging device from high to low. That is, the higher the priority of the charging device initiating the charging request is, the higher the priority is in the charging sequence, the earlier the charging sequence is, and the lower the priority of the charging device initiating the charging request is, the later the charging sequence is. For example: the charging priority of the charging equipment A01 is slow charging, the time when the charging equipment B02 initiates the charging request is ultra-fast charging, the time when the charging equipment C05 initiates the charging request is fast charging, and when the preset condition is that the priority of the charging equipment is initiated, the charging sequence is B02, C05 and A01.
It can be understood that, in different embodiments, the charging devices may be ordered according to different preset conditions, and it is only necessary to ensure that the charging devices that initiate charging requests within a preset time form a charging sequence according to a certain order.
In sub-step S152, a charging request of the top-ranked partial charging device in the charging sequence is responded.
Specifically, after the charging cloud platform forms a charging sequence for the charging device initiating the charging request, the charging device in the charging sequence, which is ranked earlier in the charging sequence, may be preferentially selected according to the order of the charging sequence to be charged. It can be understood that the charging cloud platform selects partial charging devices in the charging sequence from front to back, and ensures that the maximum charging current of the partial charging devices does not exceed the charging power available for the community.
It can be understood that, in the present embodiment, the charging cloud platform calculates the available power at one time within the preset time, and calculates the number of charging devices that can be satisfied within the current preset time, so that the charging devices that are not responded within the current preset time will be counted and sorted in the charging sequence of the next preset time. Further, when the charging sequence of the next round of preset time is sequenced, the charging devices which are not responded in the current round of preset time are arranged at the front position in the charging sequence, and then the charging devices which receive the charging request in the next round of preset time are arranged behind the charging devices which are not responded in the previous round according to preset conditions, so that the charging devices which propose the charging request earlier can be charged in time.
For example: the preset time is 1 minute, the preset condition is a charging initiation time, between 9:40-9:41, charging devices initiating a charging request are A01, B02, C03, D04 and E06, the charging cloud platform judges that the charging request of the charging devices cannot be met, a charging sequence arranged according to the preset condition is A01, C03, B02, E04 and D04, and charging devices responding to the charging cloud platform are A01, C03, B02, E04 and D04; in addition, between 9:41 and 9:42, the charging devices newly initiating the charging request are A09, B10, C07 and D08, the charging sequence according to the preset conditions is B10, A09, D08 and C07, then the charging sequence is E04, D04, B10, A09, D08 and C07, and the charging cloud platform is selected from first to last according to the charging sequence and responds to the charging devices.
The present invention further provides a computer device, where the user device includes: a memory, a processor and a program stored on the memory and operable to execute the charge management method on the processor, the processor executing the computer program to cause the computer device to execute the charge management method.
The present invention also proposes a storage medium having stored thereon the program of the charging management method, which when executed by a processor implements the steps of the charging management method as described above. The charging management method can refer to the above embodiments, and is not described herein again.
The charging management method can acquire the maximum charging current of the charging equipment according to the charging requirement of the charging equipment, judge whether the charging requirements of all the charging equipment can be met according to the community available power and the sequencing sequence of the charging equipment in the charging sequence, and further sequence the charging equipment according to the preset conditions when the charging requirements of all the charging equipment cannot be met, so that the charging requirements of part of the charging equipment are preferentially met under the condition that the total power of the community is not exceeded, the charging requirements of users are met, and the charging safety of the community is guaranteed.
In all examples shown and described herein, any particular value should be construed as merely exemplary, and not as a limitation, and thus other examples of example embodiments may have different values.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and bus dynamic RAM (RDRAM).
The above examples are merely illustrative of several embodiments of the present invention, and the description thereof is more specific and detailed, but not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, other various changes and modifications can be made according to the above-described technical solutions and concepts, and all such changes and modifications should fall within the protection scope of the present invention.
Claims (3)
1. A method for charge management, comprising:
acquiring a charging request of charging equipment;
calculating available charging power;
determining whether a sum of maximum charging currents of the charging devices exceeds an available charging power;
if the available charging power is not exceeded, responding to charging requests of all the charging devices;
if the available charging power is exceeded, forming a charging sequence for the charging equipment according to a preset condition;
responding to a charging request of a part of charging equipment which is sequenced at the front in a charging sequence; counting the charging equipment which is not responded in the current preset time into a charging sequence of the next preset time to sequence the front positions;
the charging equipment initiating the charging request in different preset time sequences the charging equipment according to different preset conditions;
the preset condition comprises any one of maximum charging current, time for initiating a charging request and priority of charging equipment;
forming a charging sequence according to the ascending order of the maximum charging current of the charging equipment initiating the charging request;
forming a charging sequence according to the ascending order of the time for initiating the charging request;
forming a charging sequence according to the descending order of the priority of the initiated charging request;
the available charging power is the difference value of the total community power and the power of the electric equipment of the community residents;
the maximum charging current of the partial charging device does not exceed the available charging power.
2. A computer device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor executes the computer program to cause the computer device to perform the steps of the charge management method according to claim 1.
3. A computer-readable storage medium on which a computer program is stored, characterized in that the computer-readable storage medium stores the computer program used in the computer device of claim 2.
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619643A (en) * | 2011-04-27 | 2014-03-05 | 电动汽车专利控股有限责任公司 | Electric vehicle clustered charge distribution and prioritization method, system, and apparatus |
| CN107199903A (en) * | 2017-05-31 | 2017-09-26 | 国网山东省电力公司莱芜供电公司 | A kind of electric automobile accesses the intelligent charge strategy of power distribution network |
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| EP3017993B1 (en) * | 2014-11-07 | 2021-04-21 | Volvo Car Corporation | Power and current estimation for batteries |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103619643A (en) * | 2011-04-27 | 2014-03-05 | 电动汽车专利控股有限责任公司 | Electric vehicle clustered charge distribution and prioritization method, system, and apparatus |
| CN107199903A (en) * | 2017-05-31 | 2017-09-26 | 国网山东省电力公司莱芜供电公司 | A kind of electric automobile accesses the intelligent charge strategy of power distribution network |
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Effective date of registration: 20210517 Address after: 201613 301 Rong Le Dong Road, Songjiang District, Shanghai. Patentee after: Hengda hengchi New Energy Vehicle Research Institute (Shanghai) Co.,Ltd. Address before: 518000 Room 201, building A, No. 1, Qian Wan Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen, Guangdong (Shenzhen Qianhai business secretary Co., Ltd.) Patentee before: HENGDA SMART CHARGING TECHNOLOGY Co.,Ltd. |